CN218359086U - Pressure type countercurrent cooling spray granulation system - Google Patents
Pressure type countercurrent cooling spray granulation system Download PDFInfo
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- CN218359086U CN218359086U CN202222389718.7U CN202222389718U CN218359086U CN 218359086 U CN218359086 U CN 218359086U CN 202222389718 U CN202222389718 U CN 202222389718U CN 218359086 U CN218359086 U CN 218359086U
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Abstract
The utility model provides a pressure type countercurrent cooling spray granulation system, which comprises a spray granulation tower, a separator, a material pump, a cooler, a feeder and a fan; a feed port is formed in the middle of the spray granulation tower, the material pump is connected with the feed port through a feed pipe, and the feed pipe is connected with an atomizing nozzle in the spray granulation tower; the bottom of the spray granulation tower is provided with a discharge pipe, the top of the spray granulation tower is communicated with the separator through a first circulating pipe, the top of the separator is connected with a fan through a second circulating pipe, and an air supply pipe on the fan is communicated with the bottom of the spray granulation tower; the feeder is communicated with the bottom of the separator through a pipeline, the feeder is communicated with the lower part of the spray granulation tower through a pipeline, and the cooler is arranged on an air supply pipe which is communicated with the spray granulation tower on the fan. The beneficial effects of the utility model are that structural design is reasonable, and granulation effect is good.
Description
Technical Field
The utility model relates to a pressure type is cooling spray granulation system against current.
Background
At present, in the chemical field, granulation technologies are mainly classified into a stirring granulation method, a pressure forming method, a spraying and dispersing atomizing method, a hot melt forming method and the like according to mechanisms, wherein the stirring granulation method is poor in particle uniformity, low in forming rate, low in particle hardness and easy to damage; the equipment required by the pressure forming method has small application range, complicated mechanical failure, high maintenance requirement and difficult demoulding for some materials; the particle formed by the spraying and dispersion atomizing methods has lower strength, smaller granularity and difficult control of the particle morphology; the product formed by the hot melt forming method has uneven size and poor fluidity and is easy to cause dust pollution.
Therefore, in addition to the requirement of selecting a proper granulation technology according to material characteristics, how to realize particle uniformity, small dust pollution, simple process flow, high production efficiency and low operation cost by the granulation technology is a problem to be solved urgently in production in the chemical industry field.
Disclosure of Invention
The to-be-solved problem of the utility model is to provide a pressure type is cooling spray granulation system against current, overcome not enough among the prior art.
In order to solve the technical problem, the utility model adopts the technical scheme that: a pressure type countercurrent cooling spray granulation system comprises a spray granulation tower, a separator, a material pump, a cooler, a feeder and a fan;
the middle part of the spray granulation tower is provided with a feed inlet, the material pump is connected with the feed inlet through a feed pipe, and the feed pipe is connected with an atomizing nozzle in the spray granulation tower;
a discharge pipe is arranged at the bottom of the spray granulation tower, the top of the spray granulation tower is communicated with the separator through a first circulating pipe, the top of the separator is connected with the fan through a second circulating pipe, and an air supply pipe on the fan is communicated with the bottom of the spray granulation tower;
the feeder is communicated with the bottom of the separator through a pipeline, and the feeder is communicated with the lower part of the spray granulation tower through a pipeline;
the cooler is arranged on the fan and the blast pipe communicated with the spray granulation tower.
Optionally, an air hammer is arranged on the outer wall of the spray granulation tower.
Optionally, a screen is provided in the discharge pipe.
Optionally, an air cap is arranged at one end of the air supply pipe extending into the bottom of the spray granulation tower.
Optionally, the separator is a cyclone separator.
Optionally, rotary valves are arranged in the discharge pipe and at the bottom of the separator.
Optionally, the bottom of the spray granulation tower is funnel-shaped.
Optionally, still include inert gas storage jar, inert gas storage jar is right through the charging means spray granulation tower with the inside air feed of separator.
The utility model has the advantages and positive effects that: 1. the drying granulation time is short, and the production efficiency is high; 2. the granularity is uniform, and the operation is flexible; 3. the method is safe, and is easy to realize mechanization and automation; 4. and dust pollution is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
in the figure: 1-a material pump; 2-sight glass; 3-a feeding pipe; 4-air hammer; 5-a feed inlet; 6-atomizing spray heads; 7-a manhole; 8-a spray granulation tower; 9-a first circulation duct; 10-a cyclone separator; 11-a second circulation duct; 12-nitrogen storage tank; 13-a feeder; 14-a cooling water outlet pipe; 15-a fan; 16-a cooler; 17-cooling water inlet pipe; 18-a discharge pipe; 19-a rotary valve; 20-hand hole; 21-blast cap.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, the utility model provides a pressure type countercurrent cooling spray granulation system, which comprises a spray granulation tower 8, a cyclone separator 10, a material pump 1, a nitrogen storage tank 12, a feeder 13 and a fan 15;
a feed inlet 5 is formed in the middle of the spray granulation tower 8, the material pump 1 is connected with the feed inlet 5 through a feed pipe 3, and the feed pipe 3 is connected with an atomizing nozzle 6 in the spray granulation tower 8; an air hammer 4 is arranged on the outer wall of the spray granulation tower 8, and a window 2 is arranged on the spray granulation tower 8.
A discharge pipe 18 is arranged at the bottom of the spray granulation tower 8, the bottom of the spray granulation tower 8 is funnel-shaped, the blanking position is increased in angle, blanking is more convenient, blocking is reduced, a screen 19 is arranged in the discharge pipe 18, the top of the spray granulation tower 8 is communicated with a cyclone separator 10 through a first circulating pipe 9, the top of the cyclone separator 10 is connected with a fan 15 through a second circulating pipe 11, an air supply pipe on the fan 15 is communicated with the bottom of the spray granulation tower 8, and a cooler 16 is arranged outside the air supply pipe;
the feeder 13 is communicated with the bottom of the cyclone 10 through a pipeline, and the nitrogen storage tank 12 is communicated with the feeder 13 through a pipeline.
An air cap 21 is arranged at one end of the blast pipe extending into the bottom of the spray granulation tower 8.
The bottom of discharging pipe and separator all sets up rotary valve 19, and the rotary valve is also called the fan that closes, and the material is accepted to upper portion, relies on rotatory impeller to play the effect of carrying the material, is responsible for sealed effect again, also plays entire system's sealed effect when the ejection of compact, reduces the revealing of circulating gas, so need not directly mend nitrogen gas.
The working process of the structure is as follows: the material pump 1 and a feeding valve of the granulation tower are started, the pressure of the atomizing spray head 6 is controlled and kept stable, the materials are fed into the atomizing granulation tower 8, the air flow is fed into the tower from the bottom of the atomizing granulation tower 8 through a fan 15, a rising reverse air flow is formed in the tower, the materials form particles with uneven sizes after entering the atomizing granulation tower 8, the particles fall under the action of gravity and are intersected with the rising air flow, the materials with larger particles fall into the tower bottom and then flow out of the atomizing granulation tower 8 through a discharging pipe 18, the materials with smaller particles are taken out of the tower top by the rising air flow and enter a cyclone separator 10 through a first circulating pipe 9, the small particles fall into a cyclone separator 13 after settling in the cyclone separator 10, the air flow passes through the cyclone separator 10 and returns to the atomizing granulation tower 8 through a second circulating pipe 11 through the fan 15 for circulation, the feeding speed of the feeding device 13 to the atomizing granulation tower 8 is adjusted through frequency conversion, the nitrogen is utilized, the nitrogen can be supplemented selectively according to the situation while the feeding, and the small particle materials in the spraying granulation tower 13 can return to the large particle materials in the spraying granulation tower through a pipeline as seed crystals and then return to the discharging pipe 18. Wherein the cooler 16 is arranged to cool the circulating airflow within the overall system. According to the granulation condition, the air hammer 4 is intermittently started to assist blanking.
The electrical components of the system are all arranged to be explosion-proof, the safety is high, the frequency conversion fan can adjust the frequency of the fan according to the granulation condition, and the size of the air flow in the tower is controlled.
If the chemical stability of the material itself that needs the granulation is not high, need granulation under the inert gas protection, then can open nitrogen gas storage jar 12 in advance before reinforced, make nitrogen gas circulate between spray granulation tower 8 and cyclone 10 and each pipeline through fan 15, air and steam discharge in the system, air in the detecting system is less than the granulation operation of feeding in raw material again behind the required numerical value, the nitrogen gas content in the monitored control system often needs in the granulation process, nitrogen gas storage jar 12 need in time be opened to content when not enough, supplement in the feeding process through charging means 13.
Even if the material is stable in nature and does not need inert gas protection, the nitrogen storage tank 12 can be opened in the whole granulation process to perform nitrogen protection on the system, so that the effect of preventing dust explosion is achieved.
The above detailed description of the embodiments of the present invention is only for the purpose of describing the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (8)
1. A pressure type countercurrent cooling spray granulation system is characterized in that: comprises a spray granulation tower, a separator, a cooler, a material pump, a feeder and a fan;
the middle part of the spray granulation tower is provided with a feed inlet, the material pump is connected with the feed inlet through a feed pipe, and the feed pipe is connected with an atomizing nozzle in the spray granulation tower;
a discharge pipe is arranged at the bottom of the spray granulation tower, the top of the spray granulation tower is communicated with the separator through a first circulating pipe, the top of the separator is connected with the fan through a second circulating pipe, and an air supply pipe on the fan is communicated with the bottom of the spray granulation tower;
the feeder is communicated with the bottom of the separator through a pipeline, and the feeder is communicated with the lower part of the spray granulation tower through a pipeline;
the cooler is arranged on the fan and the blast pipe communicated with the spray granulation tower.
2. A pressure-type counter-current cooling spray granulation system as defined in claim 1, wherein: and an air hammer is arranged on the outer wall of the spray granulation tower.
3. A pressure-type counter-current cooling spray granulation system as defined in claim 1, wherein: the discharging pipe is internally provided with a screen.
4. A pressure-type counter-current cooling spray granulation system as defined in claim 1, wherein: and an air cap is arranged at one end of the air supply pipe extending into the bottom of the spray granulation tower.
5. A pressure-type counter-current cooling spray granulation system as defined in claim 1, wherein: the separator is a cyclone separator.
6. A pressure-type counter-current cooling spray granulation system as defined in claim 1, wherein: rotary valves are arranged in the discharge pipe and at the bottom of the separator.
7. A pressure-type counter-current cooling spray granulation system as defined in claim 1, wherein: the bottom of the spray granulation tower is funnel-shaped.
8. A pressure-type counter-current cooling spray granulation system according to any of claims 1-7, wherein: still include inert gas storage jar, inert gas storage jar is passed through the charging means is right the spray granulation tower with the inside air feed of separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222389718.7U CN218359086U (en) | 2022-09-08 | 2022-09-08 | Pressure type countercurrent cooling spray granulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222389718.7U CN218359086U (en) | 2022-09-08 | 2022-09-08 | Pressure type countercurrent cooling spray granulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218359086U true CN218359086U (en) | 2023-01-24 |
Family
ID=84973426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222389718.7U Active CN218359086U (en) | 2022-09-08 | 2022-09-08 | Pressure type countercurrent cooling spray granulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218359086U (en) |
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2022
- 2022-09-08 CN CN202222389718.7U patent/CN218359086U/en active Active
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